Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/40-17 | 215/40-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.4 (619.8) | 23.77 (603.8) | -0.63 (-16) -2.6% |
| Width inches (mm) | 9.25 (235) | 8.46 (215) | -0.79 (-20) -8.5% |
| Circum. inches (mm) | 76.66 (1947.16) | 74.68 (1896.89) | -1.98 (-50.27) -2.6% |
| Sidewall Height inches (mm) | 3.7 (94) | 3.39 (86) | -0.31 (-8) -8.5% |
| Revolutions per mile (km) | 826.51 (513.57) | 848.41 (527.18) | 21.9 (13.61) 2.6% |
215/40-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.48 mph (31.36 km/h) |
| 25 mph (40.23 km/h) | 24.35 mph (39.2 km/h) |
| 30 mph (48.28 km/h) | 29.23 mph (47.03 km/h) |
| 35 mph (56.33 km/h) | 34.1 mph (54.87 km/h) |
| 40 mph (64.37 km/h) | 38.97 mph (62.71 km/h) |
| 45 mph (72.42 km/h) | 43.84 mph (70.55 km/h) |
| 50 mph (80.47 km/h) | 48.71 mph (78.39 km/h) |
| 55 mph (88.51 km/h) | 53.58 mph (86.23 km/h) |
| 60 mph (96.56 km/h) | 58.45 mph (94.07 km/h) |
| 65 mph (104.61 km/h) | 63.32 mph (101.91 km/h) |
| 70 mph (112.65 km/h) | 68.19 mph (109.75 km/h) |
| 75 mph (120.7 km/h) | 73.06 mph (117.59 km/h) |
| 80 mph (128.75 km/h) | 77.93 mph (125.42 km/h) |
| 85 mph (136.79 km/h) | 82.81 mph (133.26 km/h) |
| 90 mph (144.84 km/h) | 87.68 mph (141.1 km/h) |
| 95 mph (152.89 km/h) | 92.55 mph (148.94 km/h) |
| 100 mph (160.93 km/h) | 97.42 mph (156.78 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2159 | 2508 | 2701 | 2821 | 2949 | 3041 | 3142 | 3262 | 3427 | 3592 | 3776 | 3923 | 4189 | 4483 | 4713 | 4860 | 4943 | 5246 | 5669 | 6587 |
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